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**When the battery voltage is low or the probe transmits signal all the time
Spectral Bandwidth: Commonly around 1-2 nm
Stirring is accomplished by a magnetized Teflon coated paddle to be placed in the container
Data management
VACUUM PUMP, BELTLESS DIRECT DRIVE (Model: HVL: 540) Distillation Apparatus **When the battery voltage isVACUUM PUMP, BELTLESS DIRECT DRIVE (Model: HVL: 540) Technical Specifications: A direct drive vacuum pump is driven at a high rotational speed of 1400RPM. Oil is pumped into the mechanism by a simple oil pump via the distributor and anti suck back valve (non return valve). Motor, end bearing and external shaft seal are lubricated by filtered oil from the oil pump. Oil for the high vacuum stage is degassed in the centre bearing between the two stages.
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